incumbrance
 妨害;障礙;障礙物
 In·cum·brance n.  [Written also encumbrance.]
 1. A burdensome and troublesome load; anything that impedes motion or action, or renders it difficult or laborious; clog; impediment; hindrance; check.
 2. Law A burden or charge upon property; a claim or lien upon an estate, which may diminish its value.
 ◄ ►
 incumbrance
      n 1: a charge against property (as a lien or mortgage) [syn: encumbrance]
      2: an onerous or difficult concern; "the burden of
         responsibility"; "that's a load off my mind" [syn: burden,
          load, encumbrance, onus]
      3: any obstruction that impedes or is burdensome [syn: hindrance,
          hitch, preventive, preventative, encumbrance, interference]